net: lapbether: replace comparison to NULL with "lapbeth_get_x25_dev"

According to the chackpatch.pl, comparison to NULL could
be written "lapbeth_get_x25_dev".

Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Peng Li 2021-06-09 17:39:53 +08:00 • committed by David S. Miller
commit d49859601d